Combined transmission and propeller assembly for boats



FIG. 1 is a perspective view of a combined transmission and propeller assembly for boats showing our new design;

FIG. 2 is a side elevational view of the side shown in FIG. 1;

FIG. 3 is a perspective view of the side opposite that shown in FIG. 1. 

The ornamental design for a combined transmission and propeller assembly for boats, as shown. 